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Amazon.com is planning to let competing retailers integrate with its mobile app, as part of a broader effort to power more shopping outside its digital walls, according to a person briefed by the company.

Facebook’s mobile ad network is looking to sell more ads on a broader number of websites, diversifying beyond the game and utility apps that dominate its client base. Some of its new targets for mobile ad sales are large publishers such as USA Today and Hearst, which have started selling ads ...

When it wanted to promote the Los Angeles Marathon to younger runners, the race operator Conqur Endurance Group decided to try advertising on Instagram. The photo-sharing app was cheaper than Facebook, where Conqur already spent money, according to Ryan Cavinder, the race company’s marketing ...

Native advertising, steadily becoming a significant revenue source for online publishers, is hurtling toward a paradoxical problem. And that is, the more popular it gets, the more its fundamental weaknesses will be revealed.

Here’s a quick quiz. Which social media network should be valued more highly: a) the one that is used by almost everyone daily or b) the one that a minority of people, other than journalists, use? If you answered A, you may be in a position to make some money trading stocks.

Google said Thursday that it is going to let app developers pay to promote their apps in its app store, a move aimed to wring more revenue from mobile devices. But right now, when it comes to making money from mobile users,it’s still far outpacing its rivals on that front. That’s the clear ...